How to Find Thevenin Equivalent Circuit | Step-by-Step Guide

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To find the Thevenin equivalent circuit, the voltage across the load (Vth) was calculated as 10 V by summing -10 V and 20 V. The Thevenin resistance (Rth) was determined to be 6 Ohms. The calculations appear to be correct, but there is uncertainty regarding the accuracy of the results. Further verification or confirmation from peers may be beneficial. The discussion highlights the importance of double-checking calculations in circuit analysis.
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Homework Statement



[PLAIN]http://img684.imageshack.us/img684/9092/asdrc.jpg
given this circuit find the thevenin equivalent

the 4 ohm resistor is the load

The Attempt at a Solution



at first I found Vth which is Vth = -10+20 = 10 V

then i found Rth which is 6 Ohms

but I am not sure if I am correct
 
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